mosquito
Definition:
The relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it.

Example:
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- Flea and Dog or Human: The flea drinks the Dog's or puppy's blood for food and the Dog is harmed.
-Tape worm and Human or Animal : The tape worm goes in through the flesh of a human or animal and human and animal is harmed.
-mosquito and human or animal: mosquito sucks the blood and harms the human body.
-lice and humans: lice gets in hair and sucks blood and harms humans brains.
-dodder vines and tomato plant:dodder plants suck out water and nutrients of the tomato plant.
-whales and intestinal worms: worms live in the whale and make the whale sick.







Bibliography:


http://www.audioenglish.net/dictionary/parasitism.htm